How NetBackup for SAP performs a split mirror backup using RMAN
Figure: SAP Oracle online and offline backups by using RMAN proxy lists sequence of operations when you use RMAN proxy to perform a backup.
When NetBackup for SAP performs a backup by using RMAN, the following occurs:
1 | NetBackup for SAP receives a list of files to back up from RMAN. |
2 | NetBackup for SAP queries the policy to check whether the Snapshot Client policy attributes are specified. |
3 | When NetBackup for SAP is ready to back up the files, it sends a request to RMAN. The RMAN puts the data files into backup mode or shuts down. NetBackup sends this request by using an SBT API. |
4 | Depending on the parameters with which the brbackup command was invoked, RMAN either shuts down the database or puts the database in backup mode.
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5 | NetBackup for SAP quickly creates a snapshot of the files to back up. This operation typically takes a few seconds or minutes. |
6 | NetBackup for SAP notifies RMAN that the snapshot has been taken and that the database can be either started or taken out of backup mode. |
7 | RMAN either starts the database or takes the database out of backup mode. |
8 | NetBackup backs up the snapshot that it created. |
9 | NetBackup returns backup image information to brbackup. |